For years people have been asking "WHEN".. when can we integrate with OptimizePress.. Finally the wait is over.. Thanks to new Arpreach team.
With Arpreach Gold version 1.4 & latest optimizepress 18.104.22.168 its possible..
After upgrading optimizepress to latest version 22.214.171.124 in your wordpress dashboard go to optimizepress>global setting>Email marketing service
and you should see Arpreach option...
Please share so other people know.